Home / 10,191,880.71-15,287,821.05-3,715,441.74

Finding the Fourth Proportional to 10,191,880.71, 15,287,821.05 and 3,715,441.74

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Solution

The fourth proportional to 10,191,880.71, 15,287,821.05 and 3,715,441.74 is: 5,573,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,191,880.71 : 15,287,821.05 = 3,715,441.74 : x
  2. Step 2: Convert to fraction form
    10,191,880.71/15,287,821.05 = 3,715,441.74/x
  3. Step 3: Cross multiply
    10,191,880.71x = 15,287,821.05 × 3,715,441.74
  4. Step 4: Simplify right side
    10,191,880.71x = 56,801,008,442,820.63
  5. Step 5: Solve for x
    x = 56,801,008,442,820.63/10,191,880.71
  6. Step 6: Final answer
    x = 5,573,162.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.